IndependentSecondaryYears 7-12· Major Cities

Mercedes College

Perth, WA 6000 · Mercy Education Limited

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ICSEA

1122

90th percentile nationally

Elite (top decile)

Total enrolments

910

Secondary

Student–teacher ratio

12:1

76.6 FTE teachers

Gender mix

100% / 0%

girls / boys

Language background

25%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 5%

Lower-mid: 15%

Upper-mid: 31%

Top: 49%

Explore Perth, WALiveability 81

See median price, rent, safety, transport, demographics and every other school in the suburb.

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Other schools in Perth

St George's Anglican Grammar School

Independent · Secondary

1139

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.